If you have learned internet marketing and you have followed those who are earning good money from internet then it is not hard, the best thing about internet marketing is you can learn it easy as there is lots of information on internet to learn. Forums are also good source of learning, what you need to do is to participate in related forums for learning purposes mainly.
Once you learned them start your business confidently, it would help a lot, don't divert your mind to many ways to earning money, focus is very important in internet business so focus on one way to making money online.